Pixel art comparison showing a glowing branching Radix tree with structured bracket gates on the left and a GPU processor core packing memory pages into parallel token streams on the right

SGLang vs. vLLM: RadixAttention, Structured Outputs, and When to Pick Which

A simple, diagram-first comparison of SGLang and vLLM: how RadixAttention works, how jump-forward decoding speeds up JSON outputs, how their schedulers compare, and which engine fits your workload.